Heaf
abbr. heavy-end aviation fuel 重尾航空燃料，航空重油
🗣️ 情景例句
Good morning, sit down please.
早安，请坐。
I don't know the answer, but let me ask Mr. Chen to comment on that.
我不知道答案，让我问一下陈先生看他有什么看法。
Yes, we only have one more item to take care of.
是啊，要谈的只剩下一项而已了。